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Installation Procedure
Spacing requirements
A
or more
59.1(1500)
Obstruction
Model
A
Net dimension
22.64X9.84X22.64 (575X250X575)
C
C:59.1 inch
(1500mm) or more
CAUTION
• The indoor unit must be installed according
to the specified distances in order to permit
accessibility from each side, to guarantee correct
operation, maintenance, and repair of the unit. The
components of the indoor unit must be reachable
and removable under safe conditions for people
and the unit.
• Do not hold the discharge air outlets, drain
connection, or refrigerant pipes while carrying the
indoor unit to avoid possible unit damage. Carry
the unit by holding the corner hanger plates.
8
English
or more
59.1(1500)
0.67(17)
0.79(20)
Unit:inch
(mm)
AC009BNNDCH
AC012BNNDCH
AC018BNNDCH
11.69(297)
Unit:inch
C
C
Step 3 Optional: Insulating the body
of the indoor unit
If you install a cassette type indoor unit on the ceiling
when temperature is over 80.6 °F(27 °C) and humidity is
over 80%, you must apply an extra 0.39 inch(10 mm) thick
polyethylene insulation or a similar type of insulation to the
body of the indoor unit.
Cut away the part where pipes are pulled out for the
insulating work.
(mm)
C
A
C
Insulate the end of the pipe and some curved area by using
separate insulator.
NOTE
• A: Reference for the outer circumference of the
unit (When insulating the body of the indoor unit,
use A as the reference for its outer circumference.)
A
B
15.75X7.48
15.75X7.48
(400X190)
(400X190)
B
E
D
C
D
15.75X7.48
15.75X7.48
21.65X21.65
(400X190)
(400X190)
(550X550)
Unit:inch (mm)
E
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